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How To Reset Service Light In 1990 240dl?

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6.9K views 6 replies 3 participants last post by  brutt  
#1 ·
Hi,
How do I reset the service light that goes on every 5K miles? I serviced it but forgot to ask them to reset the light. Please help.
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#4 ·
OK, I found the hole , pushed the button in, and nothing happened. SHould I be holding it in for few seconds?
In the link above it mentions to look for the switch. I tried but I am touching all different cables under the instrument panel and I don't know which one has the switch. Can any one help?
 
#5 ·
As long as you had pushed it far enough it should have reset the meter.
There is no sound, click or such.

If you try to reset it by hand...you will find a tube that connects the receptcle on the right lower instrument face to the left side of the speedometer rear. A fork connects this and prevents one from resetting it manually...though it can be done.

I've seen enough instrument clusters lately.